A telephone handset for a broadband telecommunication system, whose housing is composed of an upper shell and a lower shell forming a joining edge, shall guarantee a reliable coupling of the resonance volume to the free field with a particularly low sound leakage. For this purpose, the joining edge is provided according to the invention with a number of coupling slots.
Legal claims defining the scope of protection, as filed with the USPTO.
1. Telephone handset for a broadband telecommunication system, whose housing is composed of an upper shell and a lower shell, forming a joining edge, said joining edge being provided with a number of coupling slots, wherein the coupling slots are provided on the top side of the telephone handset.
2. Telephone handset according to claim 1 , wherein the length of the coupling slots is chosen in such a way that they possess an opening surface sufficient for an application.
3. Telephone handset according to claim 1 , wherein the coupling slots are arranged symmetrically to an axis of symmetry of the telephone handset.
4. A telephone handset, comprising: a housing composed of an upper shell and a lower shell, the upper and lower shells forming a joining edge, the joining edge having a plurality of coupling slots, the coupling slots being provided on the top side of the telephone handset.
5. The telephone handset according to claim 4 , wherein the length of the coupling slots is chosen in such a way that they possess an opening surface sufficient for an application.
6. The telephone handset according to claim 4 , wherein the coupling slots are arranged symmetrically to an axis of symmetry of the telephone handset.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
May 12, 2008
June 22, 2010
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.